func HTTP() {
port := os.Getenv("PORT")
host := os.Getenv("HOST")
if port == "" {
port = "8000"
}
r := gin.Default()
r.GET("/", func(ctx *gin.Context) {
if dur := ctx.Query("sleep"); dur != "" {
duration, err := time.ParseDuration(dur)
if err != nil {
ctx.AbortWithError(http.StatusBadRequest, err)
return
}
time.Sleep(duration)
}
printEnvNow(ctx.Writer)
})
r.GET("/json", func(ctx *gin.Context) {
ctx.File("dummy.json")
})
r.HEAD("/json", func(ctx *gin.Context) {
ctx.File("dummy.json")
})
r.HEAD("/", func(ctx *gin.Context) {
printEnvNow(ctx.Writer)
})
r.GET("/_stats", gin.WrapF(stats_api.Handler))
r.Run(host + ":" + port)
}
// NewHandler is return http.Handler
func NewHandler() http.Handler {
router := gin.Default()
router.GET("/", func(ctx *gin.Context) {
ctx.String(200, "%s\n", "gopham works")
})
// Server-Sent Events
router.GET("/sse", gin.WrapF(pham.SSEHandler))
// WebSocket
router.GET("/subscribe", gin.WrapF(pham.WSHandler))
// post message
router.POST("/", func(ctx *gin.Context) {
defer func() {
cause := recover()
if cause != nil {
ctx.JSON(400, gin.H{
"status": "ng",
"error": cause.(error).Error(),
})
}
}()
message := new(pham.Message)
err := ctx.BindJSON(message)
if err != nil {
panic(err)
}
if message.Channel == "" || message.Data == nil {
ctx.JSON(400, gin.H{
"status": "ng",
"error": "`channel` and `data` is required.",
})
return
}
log.Printf("server: %#v\n", message)
data := pham.JSON{
"channel": message.Channel,
"ttl": message.TTL,
"data": message.Data,
}
// encode json
connectionLen, err := manager.Broadcast(data)
if err != nil {
panic(err)
}
ctx.JSON(200, gin.H{
"status": "ok",
"connections": connectionLen,
"message": data,
})
})
// static & middleware route
router.Static("/static", "static")
return router
}